A pre-filled syringe filling apparatus

Abstract

The utility model belongs to the medical instrument manufacturing technical field, specifically is a kind of pre-filled syringe filling equipment, the middle part of first sliding groove is equipped with adjusting assembly in the fixed rack close to;The side wall of adjusting assembly is fixed with first sliding groove;The middle part of first sliding groove is fixed with first spring;The end portion of first spring away from fixed rack is fixed with first sliding block;The top of adjusting assembly is fixed with driving assembly;The side wall of driving assembly close to filling head is fixed with telescopic link;The side wall of first sliding block close to filling head is fixed with first clamping plate;The cooperation of telescopic link, first spring and first clamping plate can effectively improve the stability when filling operation, reduce the impact force caused by the contact of liquid medicine and filling bottle to cause the situation that filling bottle is inclined, and first clamping plate can also produce flexible buffer clamping force, to prevent the scratch breakage of filling bottle.

Description

Technical Field

[0001] This utility model belongs to the field of medical device manufacturing technology, specifically a pre-filled syringe filling device. Background Technology

[0002] Pre-filled syringe filling equipment is a type of automated production equipment specifically designed for the precise and aseptic filling of medication into pre-filled syringes, such as cartridges, ampoules, and pen syringes.

[0003] By integrating technologies such as mechanical transmission, precision fluid control, aseptic processing, and intelligent detection, it achieves full automation of the drug process from solution preparation to filling and capping, making it a key piece of equipment in the pharmaceutical industry, especially in the production of injectable drugs.

[0004] Traditional pre-filled syringes mostly use a conveyor belt to transport the bottles to the filling port for filling. At this time, the unsecured bottles may become skewed due to equipment vibration or slight displacement during the transport process, resulting in misalignment between the filling head and the center of the bottle mouth, causing problems with unqualified filling quality.

[0005] Therefore, this utility model provides a pre-filled syringe filling device. Utility Model Content

[0006] To overcome the shortcomings of the prior art and solve at least one of the problems mentioned in the background art, a pre-filled syringe filling device is proposed.

[0007] The technical solution adopted by this utility model to solve its technical problem is as follows: A pre-filled syringe filling device of this utility model includes a fixed frame; a support frame is provided in the middle of the fixed frame; a drive module is fixedly connected to the side wall of the support frame; a conveyor belt is fixedly connected to the output end of the drive module; a liquid storage tank body is fixedly connected to the top of the fixed frame; a filling head is fixedly connected to the bottom of the liquid storage tank body, and the filling head penetrates the fixed frame; an adjustment component is installed on the fixed frame near the middle of a first chute; a first chute is fixedly connected to the side wall of the adjustment component; a first spring is fixedly connected to the middle of the first chute; the first... A first slider is fixedly connected to the end of the spring away from the fixed frame; a driving component is fixedly connected to the top of the adjusting component; a telescopic rod is fixedly connected to the side wall of the driving component near the filling head, and the movable end of the telescopic rod is fixedly connected to the side wall of the first slider; a first clamping plate is fixedly connected to the side wall of the first slider near the filling head; through the above structure, the cooperation of the telescopic rod, the first spring and the first clamping plate can effectively improve the stability during the filling operation, reduce the tilting of the filling bottle caused by the impact force generated by the contact between the liquid medicine and the filling bottle, and at the same time, the first clamping plate can generate a flexible buffer clamping force to prevent the filling bottle from being scratched or damaged.

[0008] Preferably, the filling head is fitted with a flow guide cover; the fixing frame has two symmetrically arranged second sliding grooves near the center of the flow guide cover; the center of the second sliding groove has multiple equidistant limiting grooves; a sliding rod is slidably connected to the center of the second sliding groove; a limiting block is fixedly connected to the center of the sliding rod near the center of the limiting groove; a fixing ring is fixedly connected to the sliding rod near the center of the flow guide cover; through the above structure, the combined use of the flow guide cover and the fixing ring can effectively make the flow guide cover fit tightly against the bottle mouth, forming a closed space, reducing the situation where the medicine is wasted due to splashing onto the workbench or the outer wall of the filling bottle during the filling process, and at the same time, it can prevent the dripping medicine from breeding bacteria and reduce the risk of cross-contamination.

[0009] Preferably, the adjusting component includes a third slide groove; the fixing frame has a third slide groove on its side wall near the driving component; a first motor is fixedly connected to the side wall of the fixing frame near the third slide groove; a lead screw is fixedly connected to the output end of the first motor; a second slider is slidably connected to the middle of the lead screw; the top of the second slider is fixedly connected to the bottom of the driving component, and the side wall of the second slider is fixedly connected to the first slide groove; with the above structure, the filling bottle can be effectively and accurately transferred and stably stopped directly below the filling head, ensuring the quality of the filling operation, reducing the error between the filling head and the bottle mouth, and avoiding problems such as leakage of medicine or inaccurate filling volume caused by positioning deviation.

[0010] Preferably, the first slider has a placement groove near the middle of the telescopic rod; the middle of the first clamping plate is slidably connected to a second clamping plate; the middle of the placement groove is fixedly connected to a second spring, and the second spring passes through the side wall of the first clamping plate and is fixedly connected to the second clamping plate; through the above structure, the elastic action of the second spring can make the second clamping plate automatically adjust its position according to the diameter of the filling bottle, improve the applicability of the device, and reduce the situation of the filling bottle breaking due to the rigid contact between the second clamping plate and the filling bottle.

[0011] Preferably, a second motor is fixedly connected to the top of the liquid storage tank body; a rotating rod is fixedly connected to the output end of the second motor; a scraper is fixedly connected to the middle of the rotating rod; through the above structure, residual drug crystals, precipitates or impurities on the inner wall of the liquid storage tank body can be effectively removed, ensuring that the inner wall of the liquid storage tank body is always kept clean.

[0012] Preferably, the support frame has two symmetrically arranged connecting rods fixed to the top near the drive module; a guide plate is hinged to the middle of the connecting rod; with the above structure, not only can the bottle be constrained and positioned, but also different sizes of filling bottles can be adapted by adjusting the distance between the two guide plates.

[0013] The beneficial effects of this utility model are as follows:

[0014] 1. The pre-filled syringe filling equipment of this utility model can effectively improve the stability during the filling operation by means of the cooperation of the telescopic rod, the first spring and the first clamping plate, and reduce the tilting of the filling bottle caused by the impact force generated by the contact between the liquid and the filling bottle. At the same time, the first clamping plate can generate a flexible buffer clamping force to prevent the filling bottle from being scratched or damaged.

[0015] 2. The pre-filled syringe filling equipment of this utility model can effectively make the flow guide cover fit tightly against the bottle mouth by using the combination of the flow guide cover and the fixing ring to form a closed space, reducing the situation of liquid waste caused by liquid splashing onto the workbench or the outer wall of the filling bottle during the filling process. At the same time, it can prevent the dripping liquid from breeding bacteria and reduce the risk of cross-contamination. Attached Figure Description

[0016] The present invention will be further described below with reference to the accompanying drawings.

[0017] Figure 1 This is a perspective view of the present invention;

[0018] Figure 2 This is a schematic diagram of the structure of the telescopic rod and the first slider in this utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the lead screw and the second slider in this utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the fixed ring and the guide shield in this utility model.

[0021] Legend:

[0022] 1. Fixed frame; 11. Support frame; 12. Drive module; 13. Conveyor belt; 14. Adjustment component; 15. Liquid storage tank body; 16. Filling head; 17. First chute; 18. Drive component; 19. Telescopic rod; 110. First slider; 111. First clamping plate; 112. First spring; 2. Second chute; 21. Sliding rod; 22. Fixing ring; 23. Flow guide; 24. Limiting block; 25. Limiting groove; 3. Third chute; 31. Lead screw; 32. Second slider; 33. First motor; 4. Placement groove; 41. Second spring; 42. Second clamping plate; 5. Second motor; 51. Rotating rod; 52. Scraper; 6. Connecting rod; 61. Flow guide plate; 7. Guide rod. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0024] Specific implementation examples are given below.

[0025] like Figures 1 to 4 As shown in the embodiment of this utility model, a pre-filled syringe filling device includes a fixed frame 1; a support frame 11 is provided in the middle of the fixed frame 1; a drive module 12 is fixedly connected to the side wall of the support frame 11; a conveyor belt 13 is fixedly connected to the output end of the drive module 12; a liquid storage tank body 15 is fixedly connected to the top of the fixed frame 1; a filling head 16 is fixedly connected to the bottom of the liquid storage tank body 15, and the filling head 16 penetrates the fixed frame 1; an adjustment component 14 is installed in the middle of the fixed frame 1 near the first slide groove 17; the side wall of the adjustment component 14 is fixedly connected to the support frame 11. A first chute 17 is connected; a first spring 112 is fixedly connected to the middle of the first chute 17; a first slider 110 is fixedly connected to the end of the first spring 112 away from the fixed frame 1; a drive assembly 18 is fixedly connected to the top of the adjustment assembly 14; a telescopic rod 19 is fixedly connected to the side wall of the drive assembly 18 near the filling head 16, and the movable end of the telescopic rod 19 is fixedly connected to the side wall of the first slider 110; a first clamping plate 111 is fixedly connected to the side wall of the first slider 110 near the filling head 16; during operation, after the filling bottle is placed on top of the conveyor belt 13... The drive module 12 is activated, which drives the conveyor belt 13 to rotate, causing the filling bottle to move forward. At this time, the adjustment component 14 is activated, and after the drive component 18 is adjusted to a suitable position, the telescopic rod 19 is opened. The output end of the telescopic rod 19 drives the first clamping plate 111 to move closer to the filling bottle. At this time, the first spring 112 is stretched due to the thrust of the telescopic rod 19. After the first clamping plate 111 contacts and fixes the filling bottle, the telescopic rod 19 continues to apply driving force. The elastic force of the first spring 112 and the telescopic rod 19... The combined thrust clamps the filling bottle tightly, and then the position of the filling bottle is adjusted again using the adjusting component 14 so that the bottle mouth is perpendicular to the filling head 16 for filling operation. Through the above structure, the cooperation of the telescopic rod 19, the first spring 112 and the first clamping plate 111 can effectively improve the stability during the filling operation, reduce the impact force generated by the contact between the liquid and the filling bottle, and prevent the filling bottle from tilting. At the same time, the first clamping plate 111 can generate a flexible buffer clamping force to prevent the filling bottle from being scratched or damaged.

[0026] like Figure 2 and Figure 4As shown, a flow guide 23 is fitted over the filling head 16; two symmetrically arranged second sliding grooves 2 are provided in the middle of the fixing frame 1 near the flow guide 23; multiple equidistant limiting grooves 25 are provided in the middle of the second sliding grooves 2; a sliding rod 21 is slidably connected to the middle of the second sliding grooves 2; a limiting block 24 is fixedly connected to the middle of the sliding rod 21 near the middle of the limiting groove 25; a fixing ring 22 is fixedly connected to the middle of the sliding rod 21 near the middle of the flow guide 23; during operation, because the flow guide 23 is made of flexible material, when the bottle mouth of the filling bottle is perpendicular to the filling head 16, the sliding rod 21 can be pressed downwards, simultaneously driving... The fixing ring 22 slides along the groove in the middle of the flow guide 23, thereby adjusting the diameter of the flow guide 23. When the lower end of the flow guide 23 is in contact with the edge of the bottle mouth, the limiting block 24 in the middle of the slide rod 21 is engaged in the middle of the limiting groove 25 to fix the diameter of the flow guide 23. Through the above structure, the combination of the flow guide 23 and the fixing ring 22 can effectively make the flow guide 23 fit tightly against the bottle mouth to form a closed space, reducing the waste of medicine due to splashing of medicine onto the workbench or the outer wall of the filling bottle during the filling process. At the same time, it can prevent the dripping medicine from breeding bacteria and reduce the risk of cross-contamination.

[0027] like Figures 2 to 3 As shown, the adjusting assembly 14 includes a third slide groove 3; the fixing frame 1 has a third slide groove 3 on its side wall near the drive assembly 18; a first motor 33 is fixedly connected to the side wall of the fixing frame 1 near the third slide groove 3; a lead screw 31 is fixedly connected to the output end of the first motor 33; a second slider 32 is slidably connected to the middle of the lead screw 31; the top of the second slider 32 is fixedly connected to the bottom of the drive assembly 18, and a first slide groove 17 is fixedly connected to the side wall of the second slider 32; during operation, the first motor 33 is started, and the output end of the first motor 33 drives the lead screw 31 to rotate, causing the second slider 32 to move along the slide groove 17. The lead screw 31 slides back and forth along the preset path, moving the first clamping plate 111 to a suitable position. The first clamping plate 111 then clamps the filling bottle on the top of the conveyor belt 13. After clamping, the first clamping plate 111 can be activated again to accurately place the filling bottle at the bottom of the filling head 16 for filling. Through the above structure, the filling bottle can be accurately transferred and stably stopped directly below the filling head 16, ensuring the quality of the filling operation, reducing the error between the filling head 16 and the bottle mouth, and avoiding problems such as leakage of medicine or inaccurate filling volume caused by positioning deviation.

[0028] like Figures 2 to 3As shown, a placement groove 4 is provided in the middle of the first slider 110 near the telescopic rod 19; a second clamping plate 42 is slidably connected to the middle of the first clamping plate 111; a second spring 41 is fixedly connected to the middle of the placement groove 4, and the second spring 41 passes through the first clamping plate 111 and is fixedly connected to the side wall of the second clamping plate 42; during operation, when the filling bottle is located in the middle of the first clamping plate 111, the bottle mouth will first contact the second clamping plate 42. At this time, the telescopic rod 19 is activated, and the thrust of the telescopic rod 19 and the resistance of the bottle mouth can compress the second spring 41 and generate a reverse elastic force. The bottle body is clamped and fixed by the second clamping plate 42. Through the above structure, the elastic action of the second spring 41 can make the second clamping plate 42 automatically adjust its position according to the diameter of the filling bottle, improve the applicability of the device, and reduce the situation of the filling bottle breaking due to the rigid contact between the second clamping plate 42 and the filling bottle.

[0029] like Figure 4 As shown, a second motor 5 is fixedly connected to the top of the liquid storage tank body 15; a rotating rod 51 is fixedly connected to the output end of the second motor 5; a scraper 52 is fixedly connected to the middle of the rotating rod 51; during operation, after the filling operation is completed, the cleaning liquid can be inverted to the middle of the liquid storage tank body 15, and then the second motor 5 is started. The output end of the second motor 5 drives the rotating rod 51 to rotate, and simultaneously drives the scraper 52 to rotate along the inner wall of the liquid storage tank body 15 to clean it. Through the above structure, residual drug crystals, precipitates or impurities on the inner wall of the liquid storage tank body 15 can be effectively removed, ensuring that the inner wall of the liquid storage tank body 15 is always kept clean.

[0030] like Figure 1 As shown, the support frame 11 has two symmetrically arranged connecting rods 6 fixedly connected to the top near the drive module 12; a guide plate 61 is hinged to the middle of the connecting rod 6; during operation, when the filling bottle moves from the top of the conveyor belt 13 toward the filling head 16, the filling bottle is gradually corrected in position along the narrowing direction of the guide plate 61 under the lateral constraint of the guide plate 61. Through the above structure, not only can the bottle be constrained and positioned, but also different sizes of filling bottles can be adapted by adjusting the distance between the two guide plates 61.

[0031] like Figure 3 As shown, a guide rod 7 is fixedly connected to the middle of the third slide groove 3, and the guide rod 7 passes through the second slider 32. During operation, when the second slider 32 slides back and forth in the middle of the lead screw 31, the guide rod 7 can constrain the movement trajectory of the second slider 32. Through the above structure, the stability of the second slider 32 can be effectively improved, and the tilting of the second slider 32 caused by uneven load on the lead screw 31 can be reduced.

[0032] During operation, after placing the filling bottle on top of the conveyor belt 13, the drive module 12 is activated. The drive module 12 drives the conveyor belt 13 to rotate, causing the filling bottle to move forward. At this time, the adjustment component 14 is activated, and the drive component 18 is adjusted to a suitable position. Then, the telescopic rod 19 is activated. The output end of the telescopic rod 19 drives the first clamping plate 111 to move closer to the filling bottle. At this time, the first spring 112 is stretched due to the thrust of the telescopic rod 19. After the first clamping plate 111 contacts and fixes the filling bottle, the telescopic rod 19 continues to apply driving force. The elastic force of the first spring 112 and the thrust of the telescopic rod 19 work together to move the filling bottle... After the bottle clamp is tightened, the position of the filling bottle is adjusted again using the adjusting component 14 so that the bottle mouth is perpendicular to the filling head 16 for filling. Because the guide shield 23 is made of flexible material, when the bottle mouth is perpendicular to the filling head 16, the slide rod 21 can be pressed down, which simultaneously drives the fixing ring 22 to slide along the groove in the middle of the guide shield 23, thereby adjusting the diameter of the guide shield 23. When the lower end of the guide shield 23 is in contact with the edge of the bottle mouth, the limiting block 24 in the middle of the slide rod 21 is engaged in the middle of the limiting groove 25 to fix the diameter of the guide shield 23. The first motor 33 is then started, and the output of the first motor 33... The end drives the lead screw 31 to rotate, causing the second slider 32 to slide back and forth along the preset path of the lead screw 31. After moving the first clamping plate 111 to a suitable position, the first clamping plate 111 is used to clamp the filling bottle on the top of the conveyor belt 13. After clamping, the first clamping plate 111 can be activated again to accurately place the filling bottle at the bottom of the filling head 16 for filling. When the filling bottle is located in the middle of the first clamping plate 111, the bottle mouth will first contact the second clamping plate 42. At this time, the telescopic rod 19 is activated. The thrust of the telescopic rod 19 and the resistance of the bottle mouth can compress the second spring 41 and generate a reverse elastic force. The second clamping plate 42 clamps and fixes the bottle body. After the filling operation is completed, the cleaning liquid can be inverted in the middle of the liquid storage tank body 15, and then the second motor 5 is started. The output end of the second motor 5 drives the rotating rod 51 to rotate, and simultaneously drives the scraper 52 to rotate along the inner wall of the liquid storage tank body 15 to clean it. When the filling bottle moves from the top of the conveyor belt 13 towards the filling head 16, the filling bottle is gradually corrected in position along the narrowing direction of the guide plate 61 under the lateral constraint of the guide plate 61. When the second slider 32 slides back and forth in the middle of the lead screw 31, the guide rod 7 can constrain the movement trajectory of the second slider 32.

[0033] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A pre-filled syringe filling device, comprising a fixing frame (1); characterized in that: A support frame (11) is provided in the middle of the fixed frame (1); a drive module (12) is fixedly connected to the side wall of the support frame (11); a conveyor belt (13) is fixedly connected to the output end of the drive module (12); a liquid storage tank body (15) is fixedly connected to the top of the fixed frame (1); a filling head (16) is fixedly connected to the bottom of the liquid storage tank body (15), and the filling head (16) penetrates the fixed frame (1); an adjustment component (14) is installed in the middle of the fixed frame (1) near the first slide groove (17); a first slide groove (17) is fixedly connected to the side wall of the adjustment component (14). The groove (17) is fixedly connected to the middle of the first groove (17); the end of the first spring (112) away from the fixed frame (1) is fixedly connected to the first slider (110); the top of the adjustment assembly (14) is fixedly connected to the drive assembly (18); the drive assembly (18) is fixedly connected to the side wall of the filling head (16) with a telescopic rod (19), and the movable end of the telescopic rod (19) is fixedly connected to the side wall of the first slider (110); the first slider (110) is fixedly connected to the side wall of the filling head (16) with a first clamping plate (111).

2. The pre-filled syringe filling equipment according to claim 1, characterized in that: The filling head (16) is fitted with a flow guide shroud (23); the fixing frame (1) has two symmetrically arranged second sliding grooves (2) near the middle of the flow guide shroud (23); the middle of the second sliding groove (2) has multiple equally spaced limiting grooves (25); the middle of the second sliding groove (2) is slidably connected to a sliding rod (21); the middle of the sliding rod (21) is fixedly connected to a limiting block (24) near the middle of the limiting groove (25); the middle of the sliding rod (21) is fixedly connected to a fixing ring (22).

3. The pre-filled syringe filling equipment according to claim 2, characterized in that: The adjusting component (14) includes a third slide groove (3); the fixing frame (1) has a third slide groove (3) on its side wall near the drive component (18); a first motor (33) is fixedly connected to the side wall of the fixing frame (1) near the third slide groove (3); a lead screw (31) is fixedly connected to the output end of the first motor (33); a second slider (32) is slidably connected to the middle of the lead screw (31); the top of the second slider (32) is fixedly connected to the bottom of the drive component (18), and a first slide groove (17) is fixedly connected to the side wall of the second slider (32).

4. The pre-filled syringe filling equipment according to claim 3, characterized in that: The first slider (110) has a placement groove (4) in the middle near the telescopic rod (19); the first clamping plate (111) is slidably connected to the middle of the second clamping plate (42); the placement groove (4) is fixedly connected to the middle of the second spring (41), and the second spring (41) passes through the side wall of the first clamping plate (111) and the second clamping plate (42).

5. A pre-filled syringe filling device according to claim 4, characterized in that: A second motor (5) is fixedly connected to the top of the liquid storage tank body (15); a rotating rod (51) is fixedly connected to the output end of the second motor (5); and a scraper (52) is fixedly connected to the middle of the rotating rod (51).

6. The pre-filled syringe filling equipment according to claim 5, characterized in that: The support frame (11) has two symmetrically arranged connecting rods (6) fixed to the top near the drive module (12); a guide plate (61) is hinged to the middle of the connecting rods (6).

7. A pre-filled syringe filling device according to claim 6, characterized in that: A guide rod (7) is fixedly connected to the middle of the third slide (3), and the guide rod (7) passes through the second slider (32).

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